Bar codes are a trend topic in mobile marketing. Bar codes also known by the terms qr codes and mobile digital signage are available by various systems to be used for mobile marketing with some even being available for free. Typically these apps work by scanning or photographing a code to retrieve additional information or coupons and the like on mobile phones.

The following article by Business Week introduces various cases of using bar codes. Too, the article is referring to different software systems and installations on mobile phones as the primary hurdle for a broader distribution of information.

Bar Codes Ride Again—on Mobile Phones

Directory Sources: Bar Code Solutions, Mobile Marketing